Coating for medical insertion guides

Details Coating for medical insertion guides Coating for medical insertion guides

1994-12-07

1995-08-22

Edwards, N.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428394, 428395, 604172, 604165, 128657, 128772, D02G 300

Patent

active

054439078

ABSTRACT:
An improved guide for a medical insertion device includes a core, a jacket of hydrophobic polymer surrounding the core, and a mixture of hydrophobic and hydrophilic polymer coated onto the jacket. The hydrophobic polymer of the coating is the same as or compatible with the hydrophobic polymer of the jacket, resulting in improved bonding between the jacket and coating. The hydrophilic polymer of the coating provides a slippery surface which facilitates insertion of the device into a vein or other organ. The hydrophilic polymer has reduced tendency to leach or dissolve away, because it is ensnared with the hydrophobic polymer of the coating.

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